1818288381

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6660397}}^1$

素因数の和:6660420

約数の個数: 16

約数和(自身を含む): 2983858304

約数和(自身を除く): 1165569923

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 6660397, 19981191, 46622779, 86585161, 139868337, 259755483, 606096127, 1818288381]

約数ペア:

[(1, 1818288381), (3, 606096127), (7, 259755483), (13, 139868337), (21, 86585161), (39, 46622779), (91, 19981191), (273, 6660397)]